For convertible cars, this 7-piece Convertible Top Rail Kit includes all right and left side top rail seals and the windshield top header seal (HD 729). Designed for 1966-1967 Buick Skylark, Special, Chevrolet Chevelle, Malibu, Oldsmobile 442, Cutlass, Pontiac GTO, LeMans, and Tempest models, this kit ensures a precise fit and exceptional sealing performance. Crafted by SUPERsoft, these seals are guaranteed to never leak and are made without accelerants or cheap fillers, preventing premature aging or failure. The durable material provides better sealing than competitor brands, keeping your interior protected from water and weather damage. Backed by a 30-year warranty, this kit offers long-term reliability and peace of mind.